Flat Creek Storage (1559)
Flat Creek Storage is a 300.0 MW battery interconnection project in Montgomery, New York with a current status of withdrawn. It is proposed to connect at Edic to Princetown 345kV Line 352.
300.0 MWCapacity
WithdrawnStatus
FMarket
BatteryTechnology
Project facts
| Canonical name | Flat Creek Storage |
|---|---|
| Queue ID | 1559 |
| Status | withdrawn |
| Source status | 0 |
| Market | F |
| Technology | Battery |
| Capacity | 300.0 MW |
| State | New York |
| County | Montgomery |
| Point of interconnection | Edic to Princetown 345kV Line 352 |
| Requested (queue) date | 2023-05-22 |
| Proposed in-service date | 2024-05-31 |
| Operational date | — |
| Withdrawn date | — |
| Developer | SED NY Holdings LLC |
| Utility / transmission owner | NYPA |
Cross-source records
This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-07-31 | new_project | — | withdrawn | high |
Explore related data
Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: New York ISO — interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
Follow this project and get an alert when its status, capacity, developer, or schedule changes.
Start tracking with interXdata